/* 交互演示区块 —— 贴近真实客户端布局 */

/* 三步上手 */
.howto-steps {
  display: flex;
  align-items: flex-start;
  gap: 6px;
  margin-top: 20px;
  flex-wrap: wrap;
}

.howto-step {
  flex: 1;
  min-width: 180px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.howto-step-num {
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  border-radius: 50%;
  background: linear-gradient(140deg, #d97757, #c6613f);
  color: #fffaf5;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 15px;
  box-shadow: 0 4px 12px rgba(198,97,63,.28);
}

.howto-arrow {
  font-size: 18px;
  color: var(--ink-soft);
  padding-top: 8px;
  flex-shrink: 0;
}

.howto-step h3 {
  margin: 4px 0 5px;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink-strong);
}

.howto-step p {
  margin: 0;
  font-size: 14px;
  color: var(--ink-muted);
  line-height: 1.7;
}

/* 功能卡片图标 */
.feature-icon {
  font-size: 26px;
  margin-bottom: 4px;
  display: block;
}

/* ── 演示区块外层 ── */
.demo-section { max-width: 1060px; }

.demo-intro-text {
  margin: 6px 0 18px;
  font-size: 15px;
  color: var(--ink-muted);
}

.demo-layout {
  display: grid;
  grid-template-columns: 1fr 290px;
  gap: 14px;
  height: 500px;
}

/* ── 左侧：聊天窗口 ── */
.demo-chat-panel {
  border-radius: 14px;
  border: 1px solid var(--line);
  background: #ffffff;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.demo-chat-header {
  padding: 10px 14px;
  background: #f7f7f7;
  border-bottom: 1px solid #ebebeb;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.demo-cus-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, #5b90d6, #7c62d0);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
}

.demo-cus-info { flex: 1; }

.demo-cus-name {
  font-size: 13px;
  font-weight: 700;
  color: #1a1a1a;
  line-height: 1.3;
}

.demo-cus-source { font-size: 11px; color: #999; }

.demo-online-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #34c759;
  flex-shrink: 0;
}

.demo-messages-area {
  flex: 1;
  overflow-y: auto;
  padding: 14px 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  scroll-behavior: smooth;
}

.demo-msg { display: flex; max-width: 80%; }
.demo-msg--customer { align-self: flex-start; }
.demo-msg--agent    { align-self: flex-end; flex-direction: row-reverse; }

.demo-msg-bubble {
  padding: 8px 12px;
  border-radius: 12px;
  font-size: 13px;
  line-height: 1.65;
}

.demo-msg--customer .demo-msg-bubble {
  background: #f0f0f0;
  color: #1a1a1a;
  border-bottom-left-radius: 4px;
}

.demo-msg--agent .demo-msg-bubble {
  background: linear-gradient(135deg, #d97757, #c05d3d);
  color: #fff;
  border-bottom-right-radius: 4px;
  box-shadow: 0 3px 8px rgba(192,93,61,.22);
}

.demo-msg--new { animation: msg-in .28s ease both; }

@keyframes msg-in {
  from { opacity: 0; transform: translateY(5px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* 打字指示器 */
.demo-typing-bubble {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 9px 13px;
}

.demo-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #b0b0b0;
  animation: dot-bounce 1.3s infinite ease-in-out;
  display: inline-block;
}
.demo-dot:nth-child(2) { animation-delay: .18s; }
.demo-dot:nth-child(3) { animation-delay: .36s; }

@keyframes dot-bounce {
  0%,80%,100% { transform: scale(1); opacity: .5; }
  40%          { transform: scale(1.25); opacity: 1; }
}

/* 输入区 */
.demo-input-row {
  flex-shrink: 0;
  padding: 10px 12px;
  border-top: 1px solid #ebebeb;
  display: flex;
  gap: 8px;
  align-items: center;
}

.demo-input-box {
  flex: 1;
  min-height: 34px;
  padding: 6px 10px;
  border: 1px solid #ddd;
  border-radius: 7px;
  font-size: 13px;
  background: #fafafa;
  display: flex;
  align-items: center;
  transition: border-color .22s, background .22s;
  overflow: hidden;
}

.demo-input-box--active { border-color: #d97757; background: #fff; }

.demo-input-hint { color: #bbb; font-size: 12px; user-select: none; }
.demo-input-text { color: #1a1a1a; font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.demo-send-btn {
  padding: 6px 13px;
  background: #e0dbd4;
  color: #999;
  border: none;
  border-radius: 7px;
  font-size: 13px;
  font-weight: 600;
  cursor: default;
  transition: all .2s;
  flex-shrink: 0;
}

.demo-send-btn.ready {
  background: linear-gradient(140deg, #d97757, #c05d3d);
  color: #fff;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(192,93,61,.28);
}

/* ── 右侧：话术精灵客户端模拟 ── */
.demo-app-panel {
  border-radius: 12px;
  background: #f0ede8;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0,0,0,.14), 0 0 0 1px rgba(0,0,0,.07);
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
}

/* 标题栏 */
.demo-app-titlebar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 10px;
  background: #fff;
  border-bottom: 1px solid rgba(0,0,0,.08);
  flex-shrink: 0;
}

.demo-app-icon { width: 18px; height: 18px; object-fit: contain; flex-shrink: 0; }

.demo-app-name {
  flex: 1;
  font-size: 12px;
  font-weight: 700;
  color: #2a2826;
  letter-spacing: .01em;
}

.demo-app-winctrls { display: flex; align-items: center; gap: 6px; }

.demo-wc-icon {
  font-size: 12px;
  color: #888;
  cursor: default;
  opacity: .7;
}

.demo-wc-min {
  font-size: 14px;
  color: #666;
  cursor: default;
  font-weight: 700;
  line-height: 1;
}

/* 范围标签行 */
.demo-scope-row {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 5px 8px;
  background: #fff;
  border-bottom: 1px solid rgba(0,0,0,.07);
  flex-shrink: 0;
}

.demo-scope-btn {
  padding: 3px 9px;
  border-radius: 4px;
  border: 1px solid transparent;
  background: transparent;
  font-size: 12px;
  color: #777;
  cursor: pointer;
  white-space: nowrap;
  transition: color .13s;
}

.demo-scope-btn:hover { color: #444; }

.demo-scope-btn--active {
  background: #fff;
  border-color: #d8d0c4;
  color: #2a2826;
  font-weight: 600;
  box-shadow: 0 1px 3px rgba(0,0,0,.09);
}

.demo-scope-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #34c759;
  margin: 0 4px;
  flex-shrink: 0;
}

/* 套话术编号栏 */
.demo-setnum-row {
  display: flex;
  padding: 3px 6px;
  background: #eae7e1;
  border-bottom: 1px solid rgba(0,0,0,.07);
  flex-shrink: 0;
}

.demo-setnum {
  flex: 1;
  text-align: center;
  padding: 3px 0;
  font-size: 12px;
  color: #888;
  cursor: pointer;
  border-radius: 3px;
  user-select: none;
  transition: color .13s;
}

.demo-setnum:hover { color: #555; }

.demo-setnum--active {
  background: #fff;
  color: #d97757;
  font-weight: 700;
  box-shadow: 0 1px 3px rgba(0,0,0,.1);
}

/* 分类 Chip 行 */
.demo-chips-row {
  display: flex;
  flex-wrap: wrap;
  gap: 3px;
  padding: 5px 7px;
  background: #eae7e1;
  border-bottom: 1px solid rgba(0,0,0,.07);
  flex-shrink: 0;
  max-height: 60px;
  overflow: hidden;
}

.demo-cat-chip {
  padding: 2px 7px;
  border-radius: 3px;
  border: 1px solid transparent;
  background: transparent;
  font-size: 11px;
  color: #666;
  cursor: pointer;
  white-space: nowrap;
  line-height: 1.6;
  transition: background .12s;
}

.demo-cat-chip:hover { background: rgba(0,0,0,.06); }

.demo-cat-chip--active {
  background: #d97757;
  color: #fff;
  font-weight: 600;
}

/* 折叠话术列表 */
.demo-accordion {
  flex: 1;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(0,0,0,.13) transparent;
}

.demo-section-header {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 5px 10px;
  background: rgba(0,0,0,.04);
  cursor: pointer;
  user-select: none;
  border-bottom: 1px solid rgba(0,0,0,.05);
}

.demo-section-header:hover { background: rgba(0,0,0,.07); }

.demo-section-arrow {
  font-size: 10px;
  color: #888;
  width: 10px;
  text-align: center;
  flex-shrink: 0;
}

.demo-section-title {
  font-size: 12px;
  font-weight: 600;
  color: #444;
}

/* 折叠动画：max-height 过渡 */
.demo-section-items {
  max-height: 0;
  overflow: hidden;
  transition: max-height .22s ease;
}

.demo-accordion-section.open .demo-section-items {
  max-height: 400px;
}

/* 话术条目 */
.demo-phrase-item {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 6px 10px;
  background: #fff;
  border-bottom: 1px solid rgba(0,0,0,.04);
  cursor: pointer;
  transition: background .13s;
}

.demo-phrase-item:hover { background: #fff5f0; }

.demo-phrase-item--selected {
  background: #ffeee4;
  outline: 1.5px solid #d97757;
  outline-offset: -1.5px;
}

.demo-phrase-item--sending {
  background: #ffe8d8 !important;
  animation: item-flash .3s ease;
}

@keyframes item-flash {
  0%   { background: #ffd0b0; }
  100% { background: #ffe8d8; }
}

.demo-phrase-item-icon {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  border-radius: 3px;
  background: #c8e0f8;
  border: 1px solid #a8c8ec;
  position: relative;
}

/* 小聊天气泡装饰 */
.demo-phrase-item-icon::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 3px;
  width: 4px;
  height: 3px;
  background: #c8e0f8;
  border-left: 1px solid #a8c8ec;
  clip-path: polygon(0 0, 100% 0, 0 100%);
}

.demo-phrase-item-title {
  font-size: 12px;
  color: #2a2826;
  font-weight: 500;
  flex-shrink: 0;
  white-space: nowrap;
}

.demo-phrase-item-preview {
  font-size: 11px;
  color: #999;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
}

/* 底部区域 */
.demo-app-bottom {
  flex-shrink: 0;
  background: #fff;
  border-top: 1px solid rgba(0,0,0,.08);
}

.demo-bottom-quick {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 5px 10px;
  border-bottom: 1px solid rgba(0,0,0,.06);
  overflow-x: auto;
  scrollbar-width: none;
}
.demo-bottom-quick::-webkit-scrollbar { display: none; }

/* 快捷短语芯片：单击直接发送 */
.demo-qp-btn {
  flex-shrink: 0;
  padding: 2px 9px;
  font-size: 11px;
  color: #555;
  background: #f0ede8;
  border: 1px solid rgba(0,0,0,.1);
  border-radius: 20px;
  cursor: pointer;
  white-space: nowrap;
  transition: background .15s, color .15s;
}
.demo-qp-btn:hover  { background: #ffe0cc; color: #c05030; border-color: #d97757; }
.demo-qp-btn:active { background: #ffd0b0; }

.demo-bottom-search {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 5px 10px;
  border-bottom: 1px solid rgba(0,0,0,.05);
  font-size: 11px;
  color: #bbb;
}

.demo-search-input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  font-size: 11px;
  color: #333;
  font-family: inherit;
  padding: 0;
  min-width: 0;
}

.demo-search-input::placeholder { color: #bbb; }

/* 搜索结果条目中的分类标签 */
.demo-result-cat {
  font-size: 10px;
  color: #d97757;
  background: rgba(217,119,87,.12);
  padding: 1px 5px;
  border-radius: 3px;
  font-weight: 600;
  flex-shrink: 0;
  white-space: nowrap;
}

/* 搜索无结果提示 */
.demo-search-empty {
  padding: 24px 12px;
  text-align: center;
  font-size: 12px;
  color: #bbb;
}

.demo-bottom-branding {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 3px 10px;
  font-size: 10px;
  color: #bbb;
}

.demo-branding-bug { font-size: 15px; }

/* 底部状态行 */
.demo-bottom-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 12px;
  min-height: 28px;
}

.demo-count-tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(217,119,87,.1);
  border: 1px solid rgba(217,119,87,.22);
  color: #b85a38;
  font-size: 13px;
  gap: 4px;
}

.demo-count-tag strong { font-weight: 700; color: #d97757; }

.demo-reset-btn {
  padding: 4px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink-muted);
  font-size: 13px;
  cursor: pointer;
  transition: background .16s, color .16s;
}

.demo-reset-btn:hover { background: var(--bg-soft); color: var(--ink-strong); }

/* 本地文件列表 */
.demo-file-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  background: #fff;
  border-bottom: 1px solid rgba(0,0,0,.04);
  cursor: pointer;
}

.demo-file-item:hover { background: #fff5f0; }

.demo-file-item--selected {
  background: #ffeee4;
  outline: 1.5px solid #d97757;
  outline-offset: -1.5px;
}

.demo-file-icon { font-size: 18px; flex-shrink: 0; }

.demo-file-info { display: flex; flex-direction: column; gap: 1px; }

.demo-file-name { font-size: 12px; color: #2a2826; font-weight: 500; }

.demo-file-meta { font-size: 10px; color: #aaa; }

/* 聊天区文件发送气泡 */
.demo-msg-bubble--file {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px !important;
  background: #fff8f5 !important;
  border: 1px solid #f0d0c0;
}

.demo-file-send-icon { font-size: 20px; line-height: 1; flex-shrink: 0; }

.demo-file-send-info { display: flex; flex-direction: column; gap: 2px; }

.demo-file-send-name { font-size: 12px; font-weight: 600; color: #2a2826; }

.demo-file-send-meta { font-size: 10px; color: #aaa; }

/* 空状态 */
.demo-empty-state {
  padding: 24px 12px;
  text-align: center;
  font-size: 12px;
  color: #bbb;
}

/* 套话术标题行 */
.demo-set-title {
  padding: 5px 10px;
  font-size: 11px;
  font-weight: 600;
  color: #d97757;
  background: rgba(217,119,87,.07);
  border-bottom: 1px solid rgba(217,119,87,.12);
  flex-shrink: 0;
}

/* ── 响应式 ── */
@media (max-width: 860px) {
  .demo-layout {
    grid-template-columns: 1fr;
    height: auto;
  }
  .demo-app-panel { height: 420px; }
  .demo-chat-panel { height: 320px; }
  .howto-arrow { display: none; }
}

@media (max-width: 700px) {
  .howto-steps { flex-direction: column; gap: 16px; }
  .demo-app-panel { height: 380px; }
  .demo-chat-panel { height: 300px; }
}